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A new aetosaur (Reptilia: Archosauria) from the Upper Triassic of Texas and the phylogeny of aetosaurs
ABSTRACT Coahomasuchus kahleorum, gen. et sp. nov. is a small (<1 m long) aetosaur from the Upper Triassic Colorado City Member of the Dockum Formation in West Texas. The holotype consists of aExpand
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The Late Triassic timescale: Age and correlation of the Carnian–Norian boundary
The Late Triassic timescale is poorly constrained due largely to the dearth of reliable radio-isotopic ages that can be related precisely to biostratigraphy combined with evident contradictionsExpand
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The Paleobiology of Coelophysis bauri (Cope) from the Upper Triassic (Apachean) Whitaker quarry, New Mexico, with detailed analysis
Here, we investigate the paleobiology of a single population of the Late Triassic dinosaur Coelophysisbauri from the Whitaker quarry at Ghost Ranch, New Mexico. The quarry, discovered by GeorgeExpand
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Stratigraphy of the Upper Triassic Chinle Group, Four Corners Region
Upper Triassic strata exposed in the Four Corners region belong to the Chinle Group of late Carnian-Rhaetian age. Chinle Group strata can be divided into eight lithostratigraphic intervals: (1) Expand
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Late Triassic dinosaursfrom the western United States
Western North America has one of the most extensive fossil records of Late Triassic dinosaurs. AllUpper Triassic strata are assigned to the Chinle Group which yields four successive, dinosaur-bearingExpand
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Body mass estimates of phytosaurs (Archosauria: Parasuchidae) from the Petrified Forest Formation (Chinle Group: Revueltian) based on skull and limb bone measurements.
Phytosaurs were the largest and most common semi-aquatic predators of the Late Triassic. Although their skulls are relatively common in the fossil record, articulated, or even associated skeletonsExpand
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Definition and Correlation of the Lamyan: A New Biochronological Unit for the Nonmarine Late Carnian (Late Triassic)
The Sonsela Member of the Petrified Forest Formation at Petrified Forest, Arizona and the Tres Lagunas Member of the Santa Rosa Formation in east-central New Mexico yield vertebrate fossilExpand
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Position of the Triassic–Jurassic boundary and timing of the end-Triassic extinctions on land: Data from the Moenave Formation on the southern Colorado Plateau, USA
Strata of the Moenave Formation on and adjacent to the southern Colorado Plateau in Utah–Arizona, U.S.A., represent one of the best known and most stratigraphically continuous, complete andExpand
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Articulated Skeletons of the Aetosaur Typothorax coccinarum Cope (Archosauria: Stagonolepididae) from the Upper Triassic Bull Canyon Formation (Revueltian: Early-Mid Norian), Eastern New Mexico, USA
ABSTRACT We report two nearly complete, articulated skeletons of the crurotarsan archosaur Typothorax coccinarum from the Upper Triassic Bull Canyon Formation of east-central New Mexico. These areExpand
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The Late Triassic Archosauromporph Trilophosaurus as an Arboreal Climber
Two species of the unusual archosauromorph Trilophosaurus, T buettneri Case and T jacobsi Murry, are known from diverse localities in the Upper Triassic Chinle Group in the southwestern USA. BothExpand
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